The Nepal-India border is a 1,751-kilometer-long boundary that separates Nepal from India. It runs from the eastern region of Kanchanpur to the western area of Susta, passing through various terrains, including hills and plains. This border is significant for trade, cultural exchange, and the movement of people between the two countries. The border is open, allowing citizens of both nations to cross freely without a visa. This unique arrangement fosters strong ties and cooperation in areas such as commerce, tourism, and security. The border is also marked by several rivers and natural landmarks, enhancing its geographical significance.